ex·pres·siv·i·ty 
(ĕk′sprĕ-sĭvĭ-tē)
(ĕk′sprĕ-sĭvĭ-tē)n. pl. ex·pres·siv·i·ties
1. The quality of being expressive.
2. Genetics The degree to which an expressed gene produces its effects in an organism.
- magnetic storm
- magnetic tape
- magnetic variation
- magnetism
- magnetite
- magnetizable
- magnetization
- magnetize
- magnetizer
- magneto
- magneto-
- magnetoacoustics
- magnetoelectric
- magnetoelectricity
- magnetoencephalogram
- magnetoencephalographic
- magnetoencephalography
- magnetogram
- magnetograph
- magnetometer
- magnetometric
- magnetometry
- magnetomotive force
- magneton
- magnetooptics